Portion of a handset



FIG. 1 is a front view of a portion of a handset showing my new design; and,

FIG. 2 is a front perspective view thereof.

The uneven broken line showing of the remainder of the handset in FIGS. 1-2 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for portion of a handset, as shown and described. 